Definition / Belongs to this divisionThis division includes:
- manufacture of industrial refrigerating or freezing equipment, including their parts and components
- manufacture of air conditioning equipment (including vehicles)
- manufacture of non-domestic ventilation equipment (fans)
- manufacture of heat exchangers
- manufacture of air or gas liquefaction equipment
- manufacture of ceiling and facade ventilation equipment (gable, roof fan, etc.)
It does not belong to this sectorThis division excludes:
- manufacture of household refrigerating and freezing equipment, see 27.51
- manufacture of household fans, see 27.51
It does not belong to this branch - Hungarian supplementThis division excludes - Hungarian supplement:
- the heat pump, see 28.21

Definition / Belongs to this divisionThis division includes:
- wholesale of electrical household appliances, appliances (eg refrigerators, freezers, dishwashers, washers and dryers, cookers, water heaters, microwaves, grills, household sewing and knitting machines)
- wholesale of radio, television, video, DVD equipment, car radio
- wholesale of photographic and optical goods
- wholesale of electric heaters
- wholesale of pre-recorded audio and video cassettes, CDs, DVDs
It does not belong to this sectorThis division excludes:
- Wholesale of non-programmed audio and video cassettes, CDs, DVDs, see 46.52
- Wholesale of industrial sewing and knitting machines, see 46.64

Definition / Belongs to this divisionThe subsector includes all land passenger transport except rail transport. However, rail transport belonging to the urban or suburban transport system is included.